Maxwell 25401, User Manual

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EN
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arninG
!
To avoid electric shock and other injury please pay
attention to the following:
• Do not use the device if it is damaged. Check the
cover of the device before use. Pay extra attention to
the insulation near the connectors.
• Check the connecting cables, their insulation. If the
cables or the connectors are defective, replace them
or do not use the device.
• Do not use the device if it operates improperly. If you
have doubts, take the device to a service station.
• Do not use the device near explosive materials (gases,
vapors, powders)
• Do not measure higher voltage on the device than
indicated, not between the measuring connectors or
between one of them and the earthing.
• Verify the operation of the device before usage by
measuring a known voltage.
• When measuring current, turn off the device before
connecting it to the circuit. Make sure that the device
is connected to the measured circuit serially.
• Only use the designated spare parts to repair the
device.
• When measuring above 30 V AC RMS, 42 V peak, or 60
V DC voltage pay extra atenntion, because there is a
risk of electric shock.
• When measuring, connect the measuring pin on
the wire first, and then the one on the device to the
circuit.
• Do not use the device if the battery container lid or
any part of the cover is missing.
• To avoid incorrect measuring results, electric shock
and injury, replace the batteries right after the low
battery symbol is lit on the display.
Further risks: If any of the measuring points are
connected to a dangerous voltage, this voltage may
appear on the other measuring pin as well.
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arninG
!
To avoid damage to the device or the measured
circuit, please note the following:
• Disconnect the power cord and discharge the high
capacity capacitors before measuring resistance,
diode or continuity.
• Use the proper mode and threshold for measurement.
• Before measuring current always check the fuses and
turn off the measured circuit before connecting the
device to it.
• Remove the device from the measured circuit before
changing measuring mode with the switch.
• Remove the device from the measured circuit before
taking off the cover.
G
eneral description
The MP-25 401 is a small size 3 1/2 digit automatic
threshold switching digital multimeter which enables
measuring constant and alternating voltages, alternate
and direct currents, resistance, diode and circuit
continuity.
The device has the following functions:
• Automatic nullification
• Polarity display
• Holding the measured data
• Overload display
• Automatic off switch
• Lamp function
e
lectric
s
yMbols
AC (alternate current)
DC (direct current)
Important security information. Read the
manual.
Dangerous voltage
Earthing
Fuse
Complies to EU directives
Double isolation
Low batter power
Diode
s
pecial
s
yMbols on the
d
isplay
For security reasons, the following are displayed on
the device:
600V
MAX
To avoid electric shock and damage
to the device, do not connect voltage
bigger than 600V between the
measuring pins.
General danger indication. Follow the
instructions in the manual.
600 V DC
600 V AC
200 mA
MAX
The max. amount of the voltage
measurable by the device is 600V DC or
600VAC. The max. measurable current
is 200mA DC or AC.
When measuring high voltage always
take special care. Do not touch any
measuring pins by hand.
Double isolation